13639811741 has 6 divisors (see below), whose sum is σ = 13776044826. Its totient is φ = 13503602000.

The previous prime is 13639811719. The next prime is 13639811743. The reversal of 13639811741 is 14711893631.

It can be written as a sum of positive squares in 3 ways, for example, as 421480900 + 13218330841 = 20530^2 + 114971^2 .

It is not a de Polignac number, because 13639811741 - 2¹⁸ = 13639549597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13639811692 and 13639811701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13639811743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1167911 + ... + 1179531.

It is an arithmetic number, because the mean of its divisors is an integer number (2296007471).

Almost surely, 2^13639811741 is an apocalyptic number.

It is an amenable number.

13639811741 is a deficient number, since it is larger than the sum of its proper divisors (136233085).

13639811741 is an frugal number, since it uses more digits than its factorization.

13639811741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23343 (or 11722 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The spelling of 13639811741 in words is "thirteen billion, six hundred thirty-nine million, eight hundred eleven thousand, seven hundred forty-one".